/*
 * Copyright 2010-2017 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jetbrains.kotlin.gradle.tasks

import org.gradle.api.Task
import org.jetbrains.kotlin.gradle.utils.readSystemPropertyAtConfigurationTime

internal fun <T : Task> T.cacheOnlyIfEnabledForKotlin() {
    // It's actually read at execution time, but the read should be declared for Gradle < 7.4 when KGP is used in buildSrc / includedBuild
    // because it's interpreted as configuration time for the main project
    val kotlinCachingEnabled = project.readSystemPropertyAtConfigurationTime(KOTLIN_CACHING_ENABLED_PROPERTY)
    outputs.cacheIf { kotlinCachingEnabled.map { it.toBoolean() }.orNull ?: true }
}

private const val KOTLIN_CACHING_ENABLED_PROPERTY = "kotlin.caching.enabled"
